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(11)

EP 1 290 117 A1

(12)

(43) Date of publication: 12.03.2003 Bulletin 2003/11 (21) Application number: 01931144.8 (22) Date of filing: 13.04.2001

(51) International Patent Classification (IPC)7: C10M 169/04, C10M 161/00, C10M 141/12 (86) International application number: PCT/US0140/528 (87) International publication number: WO 0107/9399 (25.10.2001 Gazette 2001/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 13.04.2000 US 196845 P (71) Applicant: Ashland Inc. Lexington, KY 40509 (US)	(72) Inventors: SAINI, Mandeep, S. Lexington, KY 40509 (US) SMITH, Thomas, R. Lexington, KY 50503 (US) LOCKWOOD, Frances, E. Georgetown, KY 40324 (US) BAUMGART, Richard, J. Lexington, KY 40505 (US) DITURO, Michael, A. Huntington, WV 25701 (US) (74) Representative: Meissner, Bolte & Partner  Anwaltssozietät GbRPostfach 86 06 24 81633 München 81633 München (DE)